Home / 164,145.28-226,481.91-99,613.05

Finding the Fourth Proportional to 164,145.28, 226,481.91 and 99,613.05

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Solution

The fourth proportional to 164,145.28, 226,481.91 and 99,613.05 is: 137,442.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,145.28 : 226,481.91 = 99,613.05 : x
  2. Step 2: Convert to fraction form
    164,145.28/226,481.91 = 99,613.05/x
  3. Step 3: Cross multiply
    164,145.28x = 226,481.91 × 99,613.05
  4. Step 4: Simplify right side
    164,145.28x = 22,560,554,436.35
  5. Step 5: Solve for x
    x = 22,560,554,436.35/164,145.28
  6. Step 6: Final answer
    x = 137,442.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.